<template>
  <div>
    <span class="weui-switch" :class="{ 'weui-switch-on': isChecked }" :value="value" @click="toggle" style="position:relative">
      <div
        v-if="isChecked && direction.length > 0"
        style="width:100%;height:100%;position:absolute;padding:0 5px;line-height:20px;color:#FFF;user-select:none"
      >
        {{ direction[0] }}
      </div>
      <div
        v-if="!isChecked && direction.length > 0"
        style="width:100%;height:100%;position:absolute;padding:0 5px;right:2px;line-height:22px;color:#7A7A7A;text-align:right;user-select:none"
      >
        {{ direction[1] }}
      </div>
    </span>
  </div>
</template>
<script>
export default {
  name: 'switchComponent',
  model: {
    props: 'value',
    event: 'change',
  },
  props: {
    value: {
      type: Boolean,
      default: true,
    },
    text: {
      type: String,
      default: '',
    },
  },
  data() {
    return {
      isChecked: this.value,
    };
  },
  computed: {
    direction() {
      if (this.text) {
        return this.text.split('|');
      } else {
        return [];
      }
    },
  },
  watch: {
    value(val) {
      this.isChecked = val;
    },
    isChecked(val) {
      this.$emit('change', val);
    },
  },
  methods: {
    toggle() {
      this.isChecked = !this.isChecked;
    },
  },
};
</script>
<style scoped>
.weui-switch {
  display: block;
  position: relative;
  width: 52px;
  height: 24px;
  border: 1px solid #ccc;
  outline: 0;
  border-radius: 16px;
  box-sizing: border-box;
  background-color: #dfdfdf;
  transition: background-color 0.1s, border 0.1s;
  cursor: pointer;
}
.weui-switch:before {
  content: ' ';
  position: absolute;
  top: 0;
  left: 0;
  width: 50px;
  height: 22px;
  border-radius: 15px;
  background-color: #fdfdfd;
  transition: transform 0.35s cubic-bezier(0.45, 1, 0.4, 1);
}
.weui-switch:after {
  content: ' ';
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  border-radius: 15px;
  background-color: #ffffff;
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
  transition: transform 0.35s cubic-bezier(0.4, 0.4, 0.25, 1.35);
}
.weui-switch-on {
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
  background-color: #409eff;
}
.weui-switch-on:before {
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
  background-color: #409eff;
}
.weui-switch-on:after {
  transform: translateX(28px);
}
</style>
